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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // | ||
| // FoundationExtensions.swift | ||
| // Pods | ||
| // | ||
| // Created by Tomas Holka on 29/06/2017. | ||
| // | ||
| // | ||
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| import Foundation | ||
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| public protocol OptionalProtocol { | ||
| associatedtype WrappedValue | ||
| var optional: WrappedValue? {get} | ||
| } | ||
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| extension Optional: OptionalProtocol { | ||
| public typealias WrappedValue = Wrapped | ||
| public var optional: WrappedValue? { return self } | ||
| } | ||
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| extension Dictionary where Value: OptionalProtocol { | ||
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| // Removes nils from dictionary | ||
| public var nilsRemoved: [Key: Value.WrappedValue] { | ||
| return self.reduce([:]) { acc, element -> [Key: Value.WrappedValue] in | ||
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| if let value = element.value.optional { | ||
| var result = acc | ||
| result[element.key] = value | ||
| return result | ||
| } else { | ||
| return acc | ||
| } | ||
| } | ||
| } | ||
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| /** | ||
| Simulation of classic valueForKeyPath method. | ||
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| - Parameter keyPath: Dot separated key path | ||
| */ | ||
| public func value<T>(for keyPath: String) -> T? { | ||
| let components = keyPath.components(separatedBy: ".") | ||
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| var result: Any? = self | ||
| components.forEach { key in | ||
| guard let key = key as? Key else { | ||
| return | ||
| } | ||
| result = (result as? Dictionary<Key, Value>)?[key] | ||
| } | ||
| return result as? T | ||
| } | ||
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| } | ||
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| extension Optional where Wrapped == String { | ||
| public var isEmpty: Bool { | ||
| switch self { | ||
| case .none: | ||
| return true | ||
| case .some(let value): | ||
| return value.isEmpty | ||
| } | ||
| } | ||
| } | ||
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| extension NumberFormatter { | ||
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| public func string(from number: Int) -> String? { | ||
| return self.string(from: NSNumber(value: number)) | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // | ||
| // FoundationTests.swift | ||
| // ACKategories | ||
| // | ||
| // Created by Tomas Holka on 29/06/2017. | ||
| // Copyright © 2017 CocoaPods. All rights reserved. | ||
| // | ||
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| import Foundation | ||
| import Quick | ||
| import Nimble | ||
| import ACKategories | ||
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| class FoundationSpec: QuickSpec { | ||
| override func spec() { | ||
| describe("Dictionary") { | ||
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| it("counts correctly") { | ||
| let dict: [String:Any?] = ["key":1, "key2":"value2", "key3":nil] | ||
| let dictWithoutNils = dict.nilsRemoved | ||
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| expect(dict.count) == 3 | ||
| expect(dictWithoutNils.count) == 2 | ||
| } | ||
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| it("gets correct value") { | ||
| let dict: [String:Any?] = ["key":1, "key2":["key3":3.17]] | ||
| let value1: Int = dict.value(for: "key")! | ||
| let value2: Double = dict.value(for: "key2.key3")! | ||
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| expect(value1) == 1 | ||
| expect(value2) == 3.17 | ||
| } | ||
| } | ||
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| describe("Optional") { | ||
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| it("checks if string is empty") { | ||
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| let string1: String? = "test" | ||
| let string2: String? = nil | ||
| let string3: String? = "" | ||
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| expect(string1.isEmpty) == false | ||
| expect(string2.isEmpty) == true | ||
| expect(string3.isEmpty) == true | ||
| } | ||
| } | ||
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| describe("NumberFormatter") { | ||
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| it("converts int to string") { | ||
| let numberFormatter = NumberFormatter() | ||
| let integer = 10 | ||
| let numberString = numberFormatter.string(from: integer) | ||
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| expect(numberString) == "10" | ||
| } | ||
| } | ||
| } | ||
| } |
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